Microorganisms and Disease An important host defense of human beings is a dense resident microbiota associated with bladder uterus lungs vagina bladder uterus lungs vagina ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes? None of these The pathogen contains mycolic acid in its cell wall Antibodies to the pathogen are protective The pathogen can live inside macrophages None of these The pathogen contains mycolic acid in its cell wall Antibodies to the pathogen are protective The pathogen can live inside macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? Both organisms cause skin and respiratory tract infections The most serious disease symptoms are the direct result of toxin action Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms are gram-positive spore formers Both organisms cause skin and respiratory tract infections The most serious disease symptoms are the direct result of toxin action Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms are gram-positive spore formers ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Lactoferrin helps to protect against pathogens by sequestering Iron lowering the pH facilitating the growth of normal flora blocking sebum production sequestering Iron lowering the pH facilitating the growth of normal flora blocking sebum production ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Type III secretion systems are used to inject "effector" proteins directly into a host cell. Salmonella uses a type III secretion system to help the pathogen to survive within macrophages secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines survive within macrophages secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease A major difference between EHEC and EPEC is EPEC rearranges host cell actin and EHEC does not EHEC secretes a Shiga-like toxin and EPEC does not EPEC passes through the placenta to infect the fetus and EHEC does not EHEC possesses a type III secretion system and EPEC does not EPEC rearranges host cell actin and EHEC does not EHEC secretes a Shiga-like toxin and EPEC does not EPEC passes through the placenta to infect the fetus and EHEC does not EHEC possesses a type III secretion system and EPEC does not ANSWER DOWNLOAD EXAMIANS APP
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